CVE-2026-118626
Published:November 03, 2026
Updated:November 04, 2026
MLflow Tracking Server Issues Missing Authorization Privilege Escalation Vulnerability. This vulnerability allows remote attackers to escalate privileges on affected installations of MLflow. Authentication is required to exploit this vulnerability.
The specific flaw exists within the configuration of the BEFORE_REQUEST_HANDLERS. The issue results from the lack of authorization prior to allowing access to functionality. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the user. Was ZDI-CAN-32108.
Affected Packages
mlflow (CONDA):
Affected version(s) >=3.11.1 <3.16.0Fix Suggestion:
Update to version 3.16.0mlflow-skinny (CONDA):
Affected version(s) >=3.11.1 <3.16.0Fix Suggestion:
Update to version 3.16.0https://github.com/mlflow/mlflow.git (GITHUB):
Affected version(s) >=v3.11.0rc0 <v3.16.0Fix Suggestion:
Update to version v3.16.0mlflow (PYTHON):
Affected version(s) >=3.11.0rc0 <3.16.0Fix Suggestion:
Update to version 3.16.0mlflow-skinny (PYTHON):
Affected version(s) >=3.11.0rc0 <3.16.0Fix Suggestion:
Update to version 3.16.0Related Resources (2)
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Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Missing Authorization